TEHUBIJULUW, H.; SUTAPA, I. W.; LETHULUR, M. Waste Cooking Oil Conversion To Biodeisel Catalized By Egg Shell Of Purebred Chiken With Ethanol As A Solvent. EKSAKTA: Journal of Sciences and Data Analysis, [S. l.], v. 14, n. 1, p. 52–64, 2014. Disponível em: https://journal.uii.ac.id/Eksakta/article/view/6034. Acesso em: 5 may. 2024.